The distinctive formed cover emulates the CNC-machined pockets of our most recognized billet end caps used on Vance & Hines racing motorcycles from flat track to road racing Includes backing plate, venturi and breather assemblies, mounting hardware and installation instructions Force velocity stack with maximum flow and ease of installation Stamped cover featuring the Vance & Hines V-twin logo Improved performance over stock High flow washable air filter Made in the U.S.A.. AIR CLEANER BL.VO2 EL.XL